High priority command queue for peripheral component
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United States of America Patent
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Apr 28, 2015
Grant Date -
Feb 28, 2013
app pub date -
Aug 30, 2011
filing date -
Aug 30, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In an embodiment, a peripheral component may include a low priority command queue configured to store a set of commands to perform a transfer on a peripheral interface and a high priority command queue configured to store a second set of commands to perform a transfer on the interface. The commands in the low priority queue may include indications which identify points at which the set of commands can be interrupted to perform the second set of commands. A control circuit may be coupled to the low priority command queue and may interrupt the processing of the commands from the low priority queue responsive to the indications, and may process commands from the high priority command queue.
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